	body{
    		background-image: url(images/log_bg.png);
    	}
    #touxiang{
    	margin-top: 50px;
    	margin-bottom: 30px;
    	width: 100px;
    	}
    input.radius{
    	border-radius: 20px;
    	width: 84%;
    	background-color: transparent;
    	border-color: #ffffff;
    }

    div.center{
    	text-align: center;
    	margin-bottom: -6px;
    	
    }
    input::-webkit-input-placeholder {
        color: #ffffff;
    }